All supported operations described in details in the manual ("Cable & Manual" button in the Software)

* To perform "Repair EFS" operation, you should put the device into the Download Mode manually.
Then you can try to perform "Repair EFS" operation to repair devices with "Hang on logo" or with "E: failed to mount / EFS (invalid argument)" problems.WARNING! Phone's IMEI could be reset to default value (350000000000006 / 004400152020000) after that operation.
Hence, if possible, create a Security backup from Normal Mode before the operation!